1  /* Copyright (C) 1998-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdio.h>
      19  #include <stdlib.h>
      20  #include <string.h>
      21  
      22  static int
      23  do_test (void)
      24  {
      25    const char *name;
      26    int retval = 0;
      27  
      28    /* Set TMPDIR to a value other than the traditional /tmp.  */
      29    setenv ("TMPDIR", "/usr", 1);
      30  
      31    name = tmpnam (NULL);
      32  
      33    printf ("name = %s\n", name);
      34  
      35    /* Make sure the name is not based on the value in TMPDIR.  */
      36    if (strncmp (name, "/usr", 4) == 0)
      37      {
      38        puts ("error: `tmpnam' used TMPDIR value");
      39        retval = 1;
      40      }
      41  
      42    /* Test that it is in the directory denoted by P_tmpdir.  */
      43    if (strncmp (name, P_tmpdir, sizeof (P_tmpdir) - 1) != 0)
      44      {
      45        puts ("error: `tmpnam' return value not in P_tmpdir directory");
      46        retval = 1;
      47      }
      48  
      49    return retval;
      50  }
      51  
      52  #define TEST_FUNCTION do_test ()
      53  #include "../test-skeleton.c"